Most popular StackOverflow tags in May 2010

Q&A for people interested in governments, policies, and political processes

-- Most popular StackOverflow tags in May 2010
select
num.TagName as Tag,
row_number() over (order by rate.Rate desc) as MayRank,
row_number() over (order by num.Num desc) as TotalRank,
rate.Rate as QuestionsInMay,
num.Num as QuestionsTotal
from
(select count(PostId) as Rate, TagName
from
Tags, PostTags, Posts
where Tags.Id = PostTags.TagId and Posts.Id = PostId
and Posts.CreationDate < '2010-06-01'
and Posts.CreationDate > '2010-05-01'
group by TagName) as rate
INNER JOIN
(select count(PostId) as Num, TagName
from
Tags, PostTags, Posts
where Tags.Id = PostTags.TagId and Posts.Id = PostId
group by TagName
having count(PostId) > 800)
as num ON rate.TagName = num.TagName
order by rate.rate desc
;